Security Updates for Microsoft Lync Server and Skype for Business Server (June 2019)

High Nessus Plugin ID 125834

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 3.6


The Microsoft Lync Server installation on the remote host is missing a security update.


The Microsoft Lync Server installation on the remote host is missing a security update. It is, therefore, affected by the following vulnerability :

- A denial of service vulnerability exists in Microsoft Lync Server. An attacker who successfully exploited the vulnerability could cause Microsoft Lync Server to stop responding. Note that the denial of service would not allow an attacker to execute code or to elevate the attacker's user rights. (CVE-2019-1029)


Microsoft has released KB4506009 to address this issue.

See Also

Plugin Details

Severity: High

ID: 125834

File Name: smb_nt_ms19_jun_skype.nasl

Version: 1.3

Type: local

Agent: windows

Published: 2019/06/12

Updated: 2020/04/27

Dependencies: 13855, 27524, 57033, 68879

Risk Information

Risk Factor: High

VPR Score: 3.6

CVSS Score Source: CVE-2019-1029

CVSS v2.0

Base Score: 7.1

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:lync

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 2019/06/11

Vulnerability Publication Date: 2019/06/11

Reference Information

CVE: CVE-2019-1029

BID: 108589

MSKB: 4506009

MSFT: MS19-4506009